/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.antgroup.geaflow.runtime.core.scheduler.strategy;

public interface IScheduleStrategy<G, V> {

    /**
     * Initialize a schedule strategy.
     */
    void init(G graph);

    /**
     * Check whether the graph has cycle to schedule.
     */
    boolean hasNext();

    /**
     * Offer the next cycle that can be scheduled.
     */
    V next();

    /**
     * Do something if cycle is finished.
     */
    void finish(V cycle);
}
